279495888

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1667}}^1$

素因数の和:2184

約数の個数: 80

約数和(自身を含む): 827328000

約数和(自身を除く): 547832112

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 499, 998, 1497, 1667, 1996, 2994, 3334, 3493, 3992, 5001, 5988, 6668, 6986, 7984, 10002, 10479, 11669, 11976, 13336, 13972, 20004, 20958, 23338, 23952, 26672, 27944, 35007, 40008, 41916, 46676, 55888, 70014, 80016, 83832, 93352, 140028, 167664, 186704, 280056, 560112, 831833, 1663666, 2495499, 3327332, 4990998, 5822831, 6654664, 9981996, 11645662, 13309328, 17468493, 19963992, 23291324, 34936986, 39927984, 46582648, 69873972, 93165296, 139747944, 279495888]

約数ペア:

[(1, 279495888), (2, 139747944), (3, 93165296), (4, 69873972), (6, 46582648), (7, 39927984), (8, 34936986), (12, 23291324), (14, 19963992), (16, 17468493), (21, 13309328), (24, 11645662), (28, 9981996), (42, 6654664), (48, 5822831), (56, 4990998), (84, 3327332), (112, 2495499), (168, 1663666), (336, 831833), (499, 560112), (998, 280056), (1497, 186704), (1667, 167664), (1996, 140028), (2994, 93352), (3334, 83832), (3493, 80016), (3992, 70014), (5001, 55888), (5988, 46676), (6668, 41916), (6986, 40008), (7984, 35007), (10002, 27944), (10479, 26672), (11669, 23952), (11976, 23338), (13336, 20958), (13972, 20004)]